First Request

C/.gitignore

@@ -1,2 +1 @@
-*
 !.gitignore

Python/captcha.py

@@ -0,0 +1,27 @@
+import random
+from tkinter import *
+from tkinter import messagebox
+
+text = 'abcdefghijklmnopqrstuvwxyz0123456789'
+window = Tk()
+window.title("Captcha App")
+window.geometry("300x100")   #You can set the window according to your use
+captcha = StringVar()
+user_input = StringVar()
+
+def set_captcha():
+    s = random.choices(text, k = 6)  #value of k decides the length of captcha
+    captcha.set(''.join(s))
+
+def check():
+    if captcha.get() == user_input.get():
+        messagebox.showinfo("Success", "Correct")
+    else:
+        messagebox.showinfo("Error", "Incorrect")
+    set_captcha()
+
+Label(window, textvariable = captcha, font = "Arial 16 bold").pack()
+Entry(window, textvariable = user_input, font = "Arial 16 bold").pack(ipady = 5)
+Button(window, command = check, text = 'Check', font = "Arial 10").pack() #you can change the font of title, captcha given and user input
+set_captcha()
+window.mainloop()